Paper · 2007

Impact of Salicylic Acid and Paclobutrazol Exogenous Application on the Growth, Yield and Nodule Formation of Common Bean

Amira M. Hegazi; Amal M. El-Shraiy

7
claims
14
verbatim quotes
39
citations
3
research areas
—
Not open access

Abstract

Paclobutrazol (PP ) at 10, 20 ppm and salicylic acid (SA)at 10 , 10 M were applied as -2 -3 foliar spray to 30 and 45 day-old common bean (Phaseolus vulgaris L.) plants during March to June 2006 in the greenhouse of Agric. Botany Dept. in Fac. of Agriculture of Ain Shams Univ. at Cairo, Egypt. SA considerably increased plant height when applied at 10 M. In contrast, paclobutrazol -2 significantly reduced plant height and shoot dry weight. The highest values of shoot dry weight were obtained by SA treatments. The maximum number of nodules per plant was achieved by the 333 application of SA at 10 M. W hereas PP applications prevent nodule formation. The highest -3 333 chlorophyll content was found with PP at 10 and 20 ppm. Significant increase in total protein in 333 leaves was obtained with PP at 10 and 20 ppm followed by SA at 10 M. However the highest -3

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Claims 7

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Salicylic acid increased bean height.

Taxon
Common BeanPhaseolus vulgarist0
Treatment
SAe0
Outcome
plant heighte0
Direction
increasede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Phaseolus vulgaris
Phaseolus vulgaris · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“SA considerably increased plant height when applied at 10 M.”

✓ located verbatim in the source · abstract, characters 295–355 · show in text ↑
t0

“Common Bean”

✓ located verbatim in the source · title, characters 110–121 · show in text ↑
Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Paclobutrazol reduced bean height and shoot dry weight.

Taxon
Common BeanPhaseolus vulgarist0
Treatment
paclobutrazole0
Outcome
plant height and shoot dry weighte0
Direction
reducede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Phaseolus vulgaris
Phaseolus vulgaris · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“paclobutrazol -2 significantly reduced plant height and shoot dry weight.”

✓ located verbatim in the source · abstract, characters 369–442 · show in text ↑
t0

“Common Bean”

✓ located verbatim in the source · title, characters 110–121 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Salicylic acid produced the highest shoot dry weight.

Taxon
Common BeanPhaseolus vulgarist0
Treatment
SA treatmentse0
Outcome
shoot dry weighte0
Direction
higheste0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Phaseolus vulgaris
Phaseolus vulgaris · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The highest values of shoot dry weight were obtained by SA treatments.”

✓ located verbatim in the source · abstract, characters 443–513 · show in text ↑
t0

“Common Bean”

✓ located verbatim in the source · title, characters 110–121 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Salicylic acid produced the maximum nodule number.

Taxon
Common BeanPhaseolus vulgarist0
Treatment
SAe0
Outcome
number of nodules per plante0
Direction
maximume0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Phaseolus vulgaris
Phaseolus vulgaris · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The maximum number of nodules per plant was achieved by the 333 application of SA at 10 M.”

✓ located verbatim in the source · abstract, characters 514–604 · show in text ↑
t0

“Common Bean”

✓ located verbatim in the source · title, characters 110–121 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Paclobutrazol prevented bean nodule formation.

Taxon
Common BeanPhaseolus vulgarist0
Treatment
PP applicationse0
Outcome
nodule formatione0
Direction
prevente0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Phaseolus vulgaris
Phaseolus vulgaris · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“PP applications prevent nodule formation.”

✓ located verbatim in the source · abstract, characters 614–655 · show in text ↑
t0

“Common Bean”

✓ located verbatim in the source · title, characters 110–121 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Paclobutrazol at 10 and 20 ppm gave the highest chlorophyll content.

Taxon
Common BeanPhaseolus vulgarist0
Treatment
PP at 10 and 20 ppme0
Outcome
chlorophyll contente0
Direction
higheste0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Phaseolus vulgaris
Phaseolus vulgaris · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The highest -3 333 chlorophyll content was found with PP at 10 and 20 ppm.”

✓ located verbatim in the source · abstract, characters 656–730 · show in text ↑
t0

“Common Bean”

✓ located verbatim in the source · title, characters 110–121 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Paclobutrazol at 10 and 20 ppm significantly increased leaf protein.

Taxon
Common BeanPhaseolus vulgarist0
Organ / stage
leavese0
Treatment
PP at 10 and 20 ppme0
Outcome
total proteine0
Direction
increasee0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Phaseolus vulgaris
Phaseolus vulgaris · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Significant increase in total protein in 333 leaves was obtained with PP at 10 and 20 ppm”

✓ located verbatim in the source · abstract, characters 731–820 · show in text ↑
t0

“Common Bean”

✓ located verbatim in the source · title, characters 110–121 · show in text ↑

paclobutrazol · growth · Phaseolus vulgaris (common bean)Results differ

10 papers: 7 positive, 3 negative or no effect

2 papers in the same direction as this paper · 7 in the opposite direction

  1. positive
  2. positive
  3. positive

6 papers more in this group

See all 10 papers →

salicylic acid · growth · Phaseolus vulgaris (common bean)Results differ

20 papers: 19 positive, 1 negative or no effect

18 papers in the same direction as this paper · 1 in the opposite direction

  1. negative
  2. positive
  3. positive

16 papers more in this group

See all 20 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.